---
title: "Hikari no Umi no Apeiria ~Casablanca no Kishi~"
description: "This is the fandisc for Hikari no Umi no Apeiria. Reiichi’s friend disappeared. After consulting with Sara and Nanami, he found out about the existence of an ap"
image: "https://t.vndb.org/cv/84/33484.jpg"
---

# Hikari no Umi no Apeiria ~Casablanca no Kishi~

![Hikari no Umi no Apeiria ~Casablanca no Kishi~](https://t.vndb.org/cv/84/33484.jpg)

**Alternative Title:** 景の海のアペイリア ～カサブランカの騎士～

**Aliases:** Hikari no Umi no Apeiria FD

**Developer:** SILKY'S PLUS DOLCE

**Release date:** Dec 22, 2017

**Platform:** Windows

**Language:** Japanese, Chinese (simplified)

**Rating:** 7.1/10 (132 votes)

## Description
This is the fandisc for Hikari no Umi no Apeiria. Reiichi’s friend disappeared. After consulting with Sara and Nanami, he found out about the existence of an app called the Boundary II α system. He logged in once more to Second to solve the mystery of his friend’s log-in for over a month. This was the beginning of a new incident. He must find a way to log-out of the α system in which he was trapped, but he had forgotten everything about Apeiria…

[From [Hau~ Omochikaeri!](https://omochikaeri.wordpress.com/2017/10/17/october-2017-eroge-releases/)]

## Characters
### Kirishima Reiichi (桐島 零一)
The protagonist. Has handsome looks, and as such he is popular among the girls. He's a boy who understands the feelings of people and always ready to help them. He's usually joking and playing with others, but has good science knowledge. By chance, he succeeds in his development of an artificial intelligence – "Apeiria."

- **Gender:** Male
- **Aliases:** Absolute Blade, 絶剣
- **Birthday:** 28 December
- **Hair:** Short, Green
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform
- **Personality:** Proactive, Pervert, Kind, Funny, Smart, Confident, Curious
- **Subject of:** Amnesia, Teasing, Time Loop
- **Eyes:** Green
- **Role:** Step Brother, Friend, Scientist, Clone, Senpai, Artificial Intelligence, High School Student, Gamer, Coder, Older Brother, School Extraordinary Club President
- **Engages in:** Teasing, Sexual Harassment
- **Voiced by:** Furukawa Tetsuto

### Ryuuguu Sara (竜宮 沙羅)
A player that [url=/c59698]Reiichi[/url] met at Second. Vice guild master of a guild named Sensei Kishi-dan. She holds a stronge grudge at a guild named Kenkyuujo.

- **Gender:** Female
- **Measurements:** Height: 167cm, Bust-Waist-Hips: 84-61-92cm, B cup
- **Hair:** Blond, Ponytail, Waist Length+, Curtained, V Bangs, Spiky Bangs
- **Body:** Slim, Pale
- **Personality:** Proactive, Stoic, Classic Tsundere, Short-tempered, Smart, Vindictive, Serious, Flustered
- **Eyes:** Amber, Tsurime
- **Clothes:** Thigh-high Stockings, Plate Armor, Wedding Dress, Pendant Necklace
- **Role:** Artificial Intelligence, Gamer, Office Worker
- **Voiced by:** Tezuka Ryouko

### Shouen Nanami (正円 七海)
A player that the protagonist met at Second. She seems to know the details of the game. Has mature and gentle personality. She works as nurse at Futaba General Hospital.

- **Gender:** Female
- **Measurements:** Height: 160cm, Bust-Waist-Hips: 92-53-84cm, F cup
- **Hair:** Red, Long
- **Eyes:** Red, Tareme
- **Clothes:** Plate Armor, Nurse's Cap
- **Personality:** Pretending, Kind, Mischievous
- **Role:** Nurse, Artificial Intelligence, Gamer
- **Voiced by:** Ayumi Sarah

### Apeiria (アペイリア)
An artificial intelligence whose development succeeds by chance. Appears as a pure innocent child that moves with ego and emotion. Loves her owner Reiichi and will obey his orders.

"Does kindness plus sadness equal to zero?"

- **Gender:** Female
- **Measurements:** Height: 140cm, Bust-Waist-Hips: 71-49-72cm, B cup
- **Hair:** White, Twin Tails, Waist Length+, Spiky Bangs
- **Body:** Teen, Slim, Pale, Small Breasts
- **Eyes:** Amber
- **Clothes:** Mini-dress, Loafers
- **Personality:** Kuudere, Stoic, Friendly, Refined, Kind, Loyal, Third Person
- **Role:** Friend, Clone, Artificial Intelligence, Title Character
- **Voiced by:** Akino Hana

### Higashi Mashiro (東 ましろ)
The protagonist's kouhai and a virtual member of the AI research club.

"First of all, I thought of trying hard to become senpai's slave..."

- **Gender:** Female
- **Measurements:** Height: 153cm, Bust-Waist-Hips: 87-56-81cm, E cup
- **Hair:** Violet, Side Tail, V Bangs
- **Clothes:** School Uniform, Thigh-high Stockings, Hair Tie, Loafers
- **Eyes:** Amber
- **Personality:** Boku, Shy, Low Self-esteem, Smart, Coward, Curious, Obedient
- **Role:** Friend, Kouhai, Artificial Intelligence, High School Student, Gamer, School Extraordinary Club Member
- **Subject of:** Illness, Hospitalization, Sexual Harassment
- **Voiced by:** Kotorii Yuuka

### Kirishima Miu (桐島 三羽)
[url=https://vndb.org/c59698]Reiichi[/url]'s younger step sister. Due to her bad attitude, she has no friends and is actually very lonely. [url=https://vndb.org/c59698]Reiichi[/url] invited her to the AI research club.

"...Nii-san, you are not only disgusting, but also so stupid, aren't you?"

[spoiler]The true Observer and the only human (clone) from the real world in the game. In order for humen to not hurt each other, each time human login in First, the new world is created. Therefore, [url=https://vndb.org/c59698]Reiichi[/url] and others are nothing more than AIs in her world.

Miu was created as a clone of her mother's dead daughter, but the mother died before accepting her as her real daughter. In order to get approval, she logged in the First and created an AI of her mother. Still, no matter how hard she tried, she was not accepted as the real daughter.

With her creator's death, Miu was waiting for disposal. She was given a job: to kill AIs who go out from the virtual world. But, in the end, she could not bring herself to kill [url=https://vndb.org/c59698]Reiichi[/url], whom she admitted as the real brother.[/spoiler]

- **Gender:** Female
- **Measurements:** Height: 159cm, Bust-Waist-Hips: 86-58-90cm, D cup
- **Hair:** Brown, Long, Straight
- **Clothes:** School Uniform, Stockings, Garter Belt Stockings, Hairpin, Fingerless Gloves, Loafers
- **Eyes:** Red
- **Items:** Handgun, Rifle
- **Role:** Step Sister, Clone, High School Student, Younger Sister, Lonely
- **Personality:** Classic Tsundere, Short-tempered, Smart, Serious, Grumbler, Puffy
- **Voiced by:** Tachibana Mao

### Ninomae Kuon (一 久遠)
The protagonist's "older sister", a ghost member of the AI research club. Had "Middle-school 2nd Year Syndrome" during her adolescence.

"Hey, you're like a child of mine."

- **Gender:** Female
- **Measurements:** Height: 161cm, Bust-Waist-Hips: 90-59-87cm, G cup
- **Hair:** Blond, Long, Straight
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Knee-high Socks, Loafers
- **Eyes:** Violet
- **Personality:** Friendly, Kind, Protective, Honest, Mischievous, Chuunibyou
- **Role:** Friend, Artificial Intelligence, High School Student, Ghost Member of School Club, School Extraordinary Club Member
- **Engages in:** Teasing
- **Voiced by:** Oukawa Mio

## Shops
- [Official Website](http://www.silkysplus.jp/game/apeiria/another_story.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=974612)

## Releases
### Japanese
- **2017-12-22**: Hikari no Umi no Apeiria ~Casablanca no Kishi~ Regular Edition - [Official website](http://www.silkysplus.jp/game/apeiria/another_story.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=25868), [Getchu](http://www.getchu.com/soft.phtml?id=974609)
- **2017-12-22**: Hikari no Umi no Apeiria FD ~Casablanca no Kishi~ + Hikari no Umi no Apeiria Original - [Official website](http://www.silkysplus.jp/game/apeiria/another_story.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=25868), [Getchu](http://www.getchu.com/soft.phtml?id=974612)
- **2018-02-23**: Hikari no Umi no Apeiria ~Casablanca no Kishi~ Download Edition - [Official website](http://www.silkysplus.jp/game/apeiria/another_story.html), [DMM](https://dlsoft.dmm.co.jp/detail/silkysall_0021/)
- **2018-04-27**: Hikari no Umi no Apeiria & Hikari no Umi no Apeiria ~Casablanca no Kishi~ Pack Edition - [Official website](http://www.silkysplus.jp/game/apeiria/another_story.html), [DMM](https://dlsoft.dmm.co.jp/detail/silkysall_0025pack/)

### Chinese (simplified)
- **2020-03-15**: Jing zhi Hai de Apeiria ~Casablanca de Qishi~ - [Official website](https://weibo.com/3238580924/IyUwP7Jnn)
- **2025-02-01**: Liu Jing zhi Hai de Apeiria ~Casablanca de Qishi~ - [Official website](https://t.me/vn_patch/2087)

## Tags
Fantasy, Mystery, ADV, Sword Combat, Comedy, Science Fiction, Male Protagonist, Protagonist with Voice Acting, Single Ending, Amnesia, Classic Tsundere Heroine, Alternate Dimensions, Time Loop, Virtual Reality, Dragon, Sword Wielding Heroine, Perverted Protagonist, Sword Wielding Protagonist, Nurse Heroine, Anal Penetration, Protagonist with Partial Voice Acting, Spontaneous Power-ups, Missionary Position, Blowjob, Unavoidable Harem Ending, Doggy Style, Few Choices, Cowgirl, Gamer Heroine, Quickie Fix Position, Confinement in a Simulated Reality, Only Older Heroines, Sex with Protagonist Only

## More Games from SILKY'S PLUS DOLCE
- [Hikari no Umi no Apeiria](https://pinovel.net/v20860)
- [Hikari no Umi no Apeiria ~Casablanca no Kishi~](https://pinovel.net/v21857)
- [Kotonoha Maichiru Natsu no Koe](https://pinovel.net/v23466)

---
*View the full details at [pinovel.net/v21857](https://pinovel.net/v21857).*

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